Local Linear Matrix Factorization for Document Modeling.
Lu BaiJiafeng GuoYanyan LanXueqi ChengPublished in: ECIR (2014)
Keyphrases
- matrix factorization
- collaborative filtering
- low rank
- missing data
- recommender systems
- factorization methods
- negative matrix factorization
- variational bayesian
- stochastic gradient descent
- data matrix
- nonnegative matrix factorization
- implicit feedback
- personalized ranking
- item recommendation
- tensor factorization
- information retrieval systems
- factor analysis
- discriminant analysis
- missing values
- factorization method
- relevant documents
- image classification
- principal component analysis
- feature extraction